54892667639 has 2 divisors, whose sum is σ = 54892667640. Its totient is φ = 54892667638.

The previous prime is 54892667593. The next prime is 54892667657. The reversal of 54892667639 is 93676629845.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54892667639 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54892667699) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27446333819 + 27446333820.

It is an arithmetic number, because the mean of its divisors is an integer number (27446333820).

Almost surely, 2^54892667639 is an apocalyptic number.

54892667639 is a deficient number, since it is larger than the sum of its proper divisors (1).

54892667639 is an equidigital number, since it uses as much as digits as its factorization.

54892667639 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 117573120, while the sum is 65.

The spelling of 54892667639 in words is "fifty-four billion, eight hundred ninety-two million, six hundred sixty-seven thousand, six hundred thirty-nine".